// *************************************************************************************************
//
// MK3D Engine
// --------------------------------------
// Copyright (C) 2007-2011 Zeb (mailto: zebbey@gmail.com)
//
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
//
// *************************************************************************************************

#ifndef __H_MK_RENDER_STEP_VIEW_CULLING__
#define __H_MK_RENDER_STEP_VIEW_CULLING__

#include "mk_render_step.h"
#include "mk_culling_processor.h"

namespace MK3DE
{
	class CCamera;
	class CScene;
	class CCullingProcessor;

	class MK3DE_API CRenderStepViewCulling : public CRenderStep
	{
	public:
		CRenderStepViewCulling(CRenderFrame* renderFrame);
		~CRenderStepViewCulling();

		void SetScene(CScene* scene);
		void SetCamera(CCamera* camera);
		void SetCullingProcessor(CCullingProcessor* cullingProcessor);

		CScene* GetScene() { return _scene; }
		CCamera* GetCamera() { return _camera; }

		CCullingProcessor::CullingResult& GetCullingResult() { return _visibleEntity; }

		float GetVisibleWaterHeight() { return _visibleWaterHeight; }

		void Render();

	private:
		void __CalculateWaterHeight();

	private:
		CCamera* _camera;
		CScene* _scene;
		CCullingProcessor* _cullingProcessor;

		CCullingProcessor::CullingResult _visibleEntity;
		float _visibleWaterHeight;

	public:
		static const char* RenderStepName;
	};
}

#endif // __H_MK_RENDER_STEP_VIEW_CULLING__
